{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "hyponym of", "conjunction"], "input": "ROD-TV consists of a hierarchical data structure that encodes different levels of detail ."}
{"used for": [], "hyponym of": [], "conjunction": []}